import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
// import Login from '../components/Login.vue'

Vue.use(Router)

// export default new Router({
//   routes: [
//     {
//       path: '/',
//       redirect: '/login'
//     },
//
//     {
//       path: '/login',
//       component: Login
//     },
//     {
//       path: '/Home',
//       component: Home
//     }
//   ]
// })
const router = new Router({
  routes: [
    {
      path: '/',
      redirect: '/login'
    },

    {
      path: '/login',
      component: Login
    },
    {
      path: '/Home',
      component: Home
    }
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // form代表从哪个路径跳转而来
  // next是一个函数，表示放行
  //    next（）放行 next('/login') 强制跳转
  if (to.path === '/login') return next()
  // 获得token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
